Program adds the missing commas based on grammar rules before:

correlative conjunctions
coordinating conjunctions
subordinating conjunctions
before interjection
before quotes up
between the same parts of speech: nouns, adjectives, numerals
before Question tags

Program corrects:

missing quotation marks
repairs mismatch with quotation, comma, double dot
subordinating conjunctions that do not qualify for containing comma
English, Slovak and Czech language

Program identifies word classes included:

gerund and noun as adjective.
dates


Speed starting program is determined by the rate and size of the hard disk dictionary.
A flash drive start takes a few seconds while the older computers about 50 seconds.
The program according to the size of the dictionary in main memory takes about 350 megabytes

The key is limited to the hard disk.
Within a few seconds after your payment, you will receive a code on website and via email. G-mail account is necessary.
http://commacheck.azurewebsites.net/
online